Battery cell and unit

Claim 1

A BATTERY COMPRISING, IN COMBINATION, A PLURALITY OF CELLS; EACH OF SAID CELLS INCLUDING A SUBSTANTIALLY NON-COMPRESSIBLE METLAL ANODE SHELL AND A SIMILAR CATHODE SHELL RESPECTIVELY CONTAINING ANODE AND CATHODE MATERIALS AND HAVING OUTER SURFACES CONSTITUTING TERMINALS FOR THE CELL, A GROMMET OF ELASTIC INSULATIVE MATERIAL HAVING A PORTION EXTENDING SUBSTANTIALLY TRANSVERSELY OF THE AXIS OF THE CELL INTERPOSED BETWEEN COOPERATING PORTIONS OF SAID SHELLS AND ADAPTED WHEN COMPRESSED BY THE SHELLS IN THE AXIAL DIRECTION TO DEFINE WITH SAID SHELLS A SUBSTANTIALLY FLUID-TIGHT ENCLOSURE FOR THE CELL, AND AN ELECTROLYTE WITHIN SAID ENCLOSURE AND IN CONTACT WITH SAID ANODE AND CATHODE MATERIALS; SAID CELLS BEING ARRANGED IN SUPERPOSED POSITION WITH THE ANODE TERMINAL OF EACH CELL IN SURFACE CONTACT WITH SUBSTANTIALLY THE ENTIRE CATHODE TERMINAL AREA OF THE ADJOINING CELL TO FORM A STACK; AND MEANS FOR APPLYING PRESSURE UPON THE STACK TO CAUSE COMPRESSION OF THE TRANSVERSE PORTION OF SAID GROMMETS IN THE AXIAL DIRECTION, INDIVIDUAL SEALING OF SAID CELL ENCLOSURES, AND LOW RESISTANCE ELECTRICAL CONNECTION OF SAID CELLS IN SERIES; THE NON-COMPRESSIBLE CHARACTER OF THE SAID METAL SHELLS PREVENTING THE POSSIBILITY OF APPLYING DESTRUCTIVE PRESSURES UPON THE INDIVIDUAL CELLS